Buy our Trunk - Butter Nuts men's underwear at Step One US. Our unique anti-chafe panels, 3D comfort pouch and super soft viscose made from bamboo are absolute game changers.
First Pair Guarantee - Love them or they're FREE
Best suited for guys with thinner legs
3D Comfort Pouch - A hidden piece of elastic around the pouch to surround you perfectly and keep everything in place
UltraGlyde™ - Ride up resistant panels prevent leg ride
Super Soft Bamboo Viscose - Wicks away moisture, produced in a closed-loop system
95% viscose made from bamboo, 5% spandex
Mix & Match Size, Colour or Style to make up multi-packs
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